Vulnerability Description
SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Solarwinds | Serv-U | < 15.5.4 |
Related Weaknesses (CWE)
References
- https://documentation.solarwinds.com/en/success_center/servu/content/release_notRelease Notes
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28318Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-US Government Resource
FAQ
What is CVE-2026-28318?
CVE-2026-28318 is a vulnerability with a CVSS score of 7.5 (HIGH). SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure custom...
How severe is CVE-2026-28318?
CVE-2026-28318 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-28318?
Check the references section above for vendor advisories and patch information. Affected products include: Solarwinds Serv-U.